Results 1 to 10 of about 2,589,650 (335)

Ion channel gating: a first passage time analysis of the Kramers type [PDF]

open access: yes, 2001
The opening rate of voltage-gated potassium ion channels exhibits a characteristic, knee-like turnover where the common exponential voltage-dependence changes suddenly into a linear one.
Blatz   +12 more
core   +4 more sources

High current field test of impulse transient characteristics of substation grounding grid

open access: yesThe Journal of Engineering, 2018
It is significant to research the impulse characteristics of substation grounding grid for its optimal design and safe and stable operation. In order to obtain the impulse transient characteristics of substation grounding grid under lightning impulse ...
Xuefang Tong, Xiaohui Dong, Bo Tan
doaj   +1 more source

Two-Layer Coordinated Energy Management Method in the Smart Distribution Network including Multi-Microgrid Based on the Hybrid Flexible and Securable Operation Strategy

open access: yesInternational Transactions on Electrical Energy Systems, 2022
With the advent of smart grid theory, distribution networks can include different microgrids (MGs). Therefore, to achieve the desired technical and economic objectives in these networks, there is a need for bilateral coordination between their operators.
Mohammad Hosein Sabzalian   +4 more
doaj   +1 more source

Improved low cost ac-to-dc converter [PDF]

open access: yes, 1970
Circuit converts an rms, ac voltage to a proportional dc voltage with good accuracy over a voltage range of approximately 6-1.
Cremer, H. C.
core   +1 more source

Novel Path Planning Algorithm for the Mobile Robot in Power Transformer Substation

open access: yesInternational Transactions on Electrical Energy Systems
In response to the issue of low search efficiency caused by the large number of expanded nodes when mobile robots use traditional A∗ algorithm for path planning in complex environments, an improved A∗ algorithm based on four-way search has been proposed.
Chunxiang Mao   +3 more
doaj   +1 more source

Interdependencies in HVDC grid protection: Impact of converter parameters and controls on DC fault‐ride‐through capabilities and protection system design

open access: yesIET Generation, Transmission & Distribution, 2023
For future multi‐terminal HVDC networks, protection systems based on DC circuit breakers (DCCBs) are envisioned to limit the loss of power transmission towards AC grid(s). Yet, HVDC protection system design is considered a major challenge—especially in a
Patrick Düllmann   +3 more
doaj   +1 more source

Investigation on the Applicability of the Time Domain Analysis of Discharges in Gases for the Defect Identification at AC Voltage

open access: yesTransactions on Environment and Electrical Engineering, 2017
The partial discharge diagnosis is an established instrument for the condition assessment of high voltage insulations and equipment. Under AC voltage stress the phase resolved pattern is of great significance in order to become aware of the type of fault.
Ulrich Lühring   +2 more
doaj   +1 more source

MOSFET analog memory circuit achieves long duration signal storage [PDF]

open access: yes, 1966
Memory circuit maintains the signal voltage at the output of an analog signal amplifier when the input signal is interrupted or removed. The circuit uses MOSFET /Metal Oxide Semiconductor Field Effect Transistor/ devices as voltage-controlled switches ...

core   +1 more source

Voltage noise analysis with ring oscillator clocks [PDF]

open access: yes, 2017
Voltage noise is the main source of dynamic variability in integrated circuits and a major concern for the design of Power Delivery Networks (PDNs). Ring Oscillators Clocks (ROCs) have been proposed as an alternative to mitigate the negative effects of ...
Cortadella, Jordi   +2 more
core   +1 more source

Smart UAV Infrared Image Defect Detection using YOLOv3 and Gaussian Mixture Models

open access: yesTehnički Vjesnik
To improve detection performance, a model with strong universality and adaptability to different environments was established. This study proposed a migration and optimization method for drone infrared image defect detection and recognition models based ...
Rong Meng   +4 more
doaj   +1 more source

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